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ER630 welding electrode

ER630 welding electrode

Place of Origin : China
Brand Name : HT
Certification : ISO9001
Model Number : ER630 welding electrode
MOQ : 5kg
Price : 100-1000USD/KG
Packaging Details : original package
Delivery Time : 5-7 days
Payment Terms : 30% advance payment by T/T, 70% payment before shipment
Supply Ability : 100000 kg per month
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MIDALLOY ER630 BARE WIRE

CLASSIFICATION

• AWS 5.9 Class ER630 / ASME SFA 5.9 Class ER630

DESCRIPTION

• MIDALLOY ER630 bare welding wire is a precipitation hardening, martensitic stainless steel.

APPLICATIONS

• Typical applications include valves, fasteners, gears, propeller stafts, and roller chain pins.

TYPICAL CHEMISTRY

C

Mn

Si

Cr

Ni

Mo

Cu

Cb+Ta

S

P

Fe

0.03

0.54

0.45

16.49

4.78

0.2

3.6

0.22

0.021

0.017

BAL.


TYPICAL MECHANICAL PROPERTIES*

TENSILE STRENGTH

150,000 PSI

YIELD STRENGTH

135,000 PSI

ELONGATION IN 2”

10%


*Note: Mechanical properties listed reflect a post weld heat treatment between 1875°F and 1925°F for one hour, followed by precipitation hardening between 1135°F and 1165°F for four hours.


WELDING PARAMETERS

PROCESS

DIAMETER

VOLTAGE

AMPERAGE

GAS

TIG

1/16”

14-18

90-130

Ar

3/32”

15-20

120-175

Ar

1/8”

15-20

150-220

Ar

MIG

.035”

26-29

150-180

Ar

.045”

28-32

180-220

Ar

1/16”

29-33

200-250

Ar


OTHER INFORMATION

• Welding of 17/4 plate under 4” thick can be done without preheating, but interpass temperatures up to 300°F are commonly specified.

• With thickness of 17/4 plate exceeding 4”, preheating to 200°F and maintenance of an interpass temperature of 200°F - 500°F is considered necessary in many applications.

• In welding maintain a short arc and keep the heat input low.

• Use stringer beads, avoid wide weaving, avoid stress raisers such as sharp corners, threads, and partial penetration welds.

STANDARD PACKAGING

• TIG 10 lb. tube / 60 lb. carton

• MIG 30 lb. spool



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